Insecticide



Patented Apr. 13, 1926.

UNITED STATES FRANK W. BARBER, OF NASHVILLE, TENNESSEE.

INSECTICIDE.

No Drawing.

To all 11 71 0112, it may concern:

Be it known that I, FRANK l V. BARBER, a citizen of the United States,residing at Nash-ville, in the county of Davidson and State ofTennessee, have invented certain new and useful Improvements inInsecticides, of which the following is a specification.

7 This invention relates to insecticides, and particularly toinsecticides which are designed to protect animals from flies.

The general object of the invention is to provide an insecticide whichmaybe applied to the coats of animals for the purpose of driving offflies and preventing animals being annoyed by flies.

A further object in this connection is to provide an insecticide whichmay be sprayed upon the coat and which under these circumstances doesnot injure the hair or hide of fancy cattle or other animals, and whichis particularly valuable in preparing the coats of animals beforebringing them into the show ring.

A still further object is to provide an insecticide of this characterwhich has a pleasant odor instead of the usual offensive odor which ischaracteristic of the ,fly sprays at present on the market, and whichwill kill flies immediately.

Another object is to provide a spray of such composition that thiscompound may be sprayed in the form of a mist which will coat the bodyof the fly, mosquito or other insect, clogging or stopping up thebreathing apertures in the sides of the body of the insect, thusresulting in the insects dying of suffocation.

My improved compound consists of a mixture of substantially thefollowing ingredients in the proportions stated :Paraffin oil 80%,kerosene oil 16%, oil of mirbane 1.5%, oil of citronella 1.125%, oil ofpennyroyal 375%, naphthalene 1%. It will be understood that the abovepercentages are in volume. Another way of stating the formula in liquidmeasure is as follows Para-flin oil 5 gals, kerosene oil 1.gal., oil ofmirbane 12 liquid 0zs., oil of citronella 9 liquid 02s., oil ofpennyroyal 3 liquid ozs., naphthalene 8 ounces by weight, avoirdupois.It will be understood, of course, that the naphthalene is a powder.

The above ingredients are mixed as follows: The paraffin oil andkerosene oil are thoroughly mixed together in the first in- Applicationfiled June 17, 1924. Serial No. 720,658.

pouring back and forth, it being essential to secure a thorough mixtureof all of the ingredients.

Paraffin oil is used as the base of the composition and for its killingproperties. Kerosene is used to thin the paraffin and also for itskilling properties. The

oils of mirbane, citronella and. pennyroyal are used for their odors aswell as for their repellent properties. The oil of pennyroyal issomewhat expensive and hence a certain proportion of the oil of mirbaneis used in the formula which is less expensive. The oil oliuirbane mightbe omitted and 1.5% oil of citronclla and 1.5% oil of pennyroyal usedinstead. Furthermore, while the percentages given in the first formulaare preferable, the following percentages might be used :Paraitin oil75% to 85%, kerosene oil 2 "a to 12%, oil of mirbane 2% to oil ofcitronella 1%, oil of pennyroyal 1%, naphthalene 1% to It will be seenthat these percentages as first given may be varied to a considerabledegree within the limits hereinbefore stated.

These percentages as herein given are based upon liquid measure with theexception of the naphthalene which, as before remarked. is a powder.Naphthalene by weight and by liquid measure is approximately the same.

The naphthalene is absorbed by the aromatic oils and remains insolution. The naphthalene is used for its repellent properties andcombining it with the other ingredients'does not destroy itseffectiveness nor interfere with the action of the others. Myexperiments have shown me that when the oils of citronella andpennyroyal are combined, or citronella and mirbane are combined, orcitronella, mirbane, and pennyroyal are combined, the coaction is suchas to produce an odor that is more offensive to flies than is the odorof any one of these oils by itself. The odor of all of these oils ispleasing to human beings but offensive to fliesand the ofiensiveness ofthe odor, as far as flies is concerned, is increased by combinin theoils.

As before remarked, the oil of mirbane ma beleftout and citronella, pennroyal an naphthalene alone used. It is o vious that combinations ofmirbane and citronella or citronella and pennyroyal or mirbane andpennyroyal may be used and that the proportions of these threeodoriferous ingredients may be varied in many ways and also that theproportions of the kerosene oil, the parafiin' oil and the naphthalenemay be varied in many ways. The kerosene oil and the paraffin oilcombine so that the injurious effect which would be produced if thekerosene oilwere used alone is counteracted by the parafiin without,however, destroying the killing action of thekerosene oil, but myexperiments have shown me that the effect of using the two incombination is decidedly difierent from that where either one or the.other is used alone.

This compound does not in any way injure the hair or skin of the animalto which it is applied and in point of fact this c0mpound might besprayed into the eyes or months of animals without any injury since itis not poisonous or caustic in its action. There is nothing in this comound which tends. to gum the hair or ren er it stiff or dull. It will beseen that this compound does not contain carbolic acid, which would be arank poison, or creosote which is also very poisonous and irritant tothe skin of animals, nor does. it contain a large percentage ofkerosene: Any compound containing a large percenta e of kerosene, if puton an animal more t an three or four times, would act to remove the hairand blister the skin.

I do not wish to be limited to the percentages which are stated, as itis obvious that. these percentages, particularly the per-.

centages of the aromatic oils and ofthe naphthalene, may be varied inmany ways without departing from the spirit of the invention. 4

I claim v 1. A li uid insecticide for spraying animals consisting of thefollowing ingredients in approximately the following proportions:Paraflin oil to kerosene oil 20% to 13%, naphthalene oil 2% to 1%, oilof citronella 2% to oil of pennyroyal 1% to 2. A liquid insecticide forspraying animals including the following ingredients in substantiallythe following proportions: Kerosene oil 20% to 13%, paraflin oil 75% to85%, oil of mirbane 1% to 0%, oil of citronella 2% to 1%, oil ofpennyroyal 1% to naphthalene 1% to 1 In testimony whereof I'aflixmysignature.

FRANK BARBER.

